[CentOS] How do I debug the kernel?

Rodrigo Barbosa rodrigob at darkover.org
Tue Mar 6 20:41:53 UTC 2007


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Humm, not that I know of. And considering we are talking about PC hardware
here (are we?), I can't imagine how it can be possible.

On Tue, Mar 06, 2007 at 03:24:26PM -0500, Mark Hull-Richter wrote:
> I thought there was a way to debug the kernel live on its own machine,
> as long as you have more than one processor (we do) and you don't set a
> breakpoint in synchronization code.
> 
> > -----Original Message-----
> > From: centos-bounces at centos.org [mailto:centos-bounces at centos.org] On
> > Behalf Of Rodrigo Barbosa
> > Sent: Tuesday, March 06, 2007 11:01 AM
> > To: CentOS mailing list
> > Subject: Re: [CentOS] How do I debug the kernel?
> > 
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> > 
> > Using gdb to debug the kernel is not an easy trick. You will need
> > a kgdb patch for the kernel, and 2 computers. 1 for running the
> kernel,
> > and one for the debuger. These computers should be connected using a
> > serial (RS232) cable.
> > 
> > Please take notice I haven't done this since the 2.0 days, so things
> > might have changed, but I don't expect they changed much.
> > 
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- -- 
Rodrigo Barbosa
"Quid quid Latine dictum sit, altum viditur"
"Be excellent to each other ..." - Bill & Ted (Wyld Stallyns)

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